I have three running backs on my depth chart that are of similar skill level. I would like to set up a 'running back by committee' system where all three get an equal share of time carrying the rock. I tried to use the substitution settings on the depth chart so that they would not stay in the game as long before getting tired and subbed for, but in the first half of my game today my #1 guy stayed in the game the whole half. Is there any easier and more effective way to try to do this?